✦ Luna Orbit — System Administration

System Administrator

at Leidos

📍 Tampa, FL Onsite 💰 $92K – $166K USD / year Posted April 05, 2026
Salary $92K – $166K USD / year
Type Full-Time
Experience mid
Exp. Years 8+ years
Education Technical training, certifications (CompTIA Security+), or a degree in a related field.
Category System Administration

System Administrator for USCENTCOM operations to maintain reliable Windows-based server infrastructure, ensure security, data integrity, and continuity in a mission-critical environment.

  • Maintain and manage enterprise server infrastructure
  • Develop and implement solutions for servers and configurations
  • Troubleshoot AD/GP issues
  • Perform advanced installations, upgrades, patching
  • Monitor and tune systems

Strong focus on Windows Server administration, AD/GP, DISA STIG compliance, patching, disaster recovery, and automation (PowerShell, Ansible); virtualization (VMware) and cloud readiness (Azure) are assets.

Mid-level systems administrator with 8+ years of enterprise Windows Server experience, AD, and GP, plus DISA STIG experience. Strong in patching, backup/recovery, and automation with PowerShell/Ansible; familiar with VMware and DoD environments.

Technical trainingcertifications (CompTIA Security+)or a degree in a related field.Minimum 8+ years of experience in system administrationProficiency in managing and troubleshooting Windows Server environmentsActive Directoryand Group PolicyStrong experience with system configurationpatchingand lifecycle managementExperience with system backuprecoveryand continuity processesAbility to operate within structured change management processes in a mission-critical environment
Advanced certifications (e.g.Microsoft Certified: Azure AdministratorCompTIA Server+or equivalent)Experience with virtualization technologies (e.g.VMwareHyper-V)Familiarity with automation and scripting (e.g.PowerShellAnsible)Experience supporting DoD or Combatant Command environmentsStrong ability to evaluate and recommend technical improvements and modernization efforts
Active DirectoryGroup PolicyWindows ServerPowerShellAnsibleVMwareDISA STIGAzure
Windows ServerActive DirectoryGroup PolicyDISA STIGspatchinglifecycle managementbackup and recoverychange managementdisaster recoverySOPsPlaybooksPowerShellAnsibleVMware
Windows ServerActive DirectoryGroup PolicyDISA STIGspatchinglifecycle managementbackup and recoverychange managementdisaster recoverySOPsplaybooksPowerShellAnsibleVMware
strong troubleshootingcommunicationleadershipcoordinationteamwork

Required

CompTIA Security+

Preferred

Microsoft Certified: Azure AdministratorCompTIA Server+VMware Certified Professional (VCP)
Industry IT Services
Job Function Maintain secure, reliable enterprise server infrastructure for mission-critical USCENTCOM operations.
Role Subtype System Administration
Tech Domains Windows Server, Active Directory, Microsoft 365, Azure, PowerShell, VMware
system administratorwindows serveractive directorygroup policyDISA STIGPowerShellAnsibleVMwareAzure AdministratorCompTIA Security+disaster recoverybackup and recoverychange managementSOPsplaybooksDoD environments

Lacking CompTIA Security+ or equivalent certification, Less than 8 years of system administration experience, No Windows Server/AD/GP experience, Inability to operate under structured change management

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